Postmark
Postmark routes transactional email through dedicated infrastructure to keep it out of spam folders.
Updated April 2026
Outbound Sending
Overview: What is Postmark?
The platform separates promotional sends from critical messages like password resets and receipts. Teams integrate via API or SMTP to send messages that arrive in seconds.
Capabilities
Key features.
01
Dedicated transactional email infrastructure
02
Separate message streams by type
03
REST API and SMTP integration
04
Real-time delivery analytics and webhooks
05
Inbound email processing
06
Template management with inline editing
07
High deliverability with ISP monitoring
08
Fast delivery with average seconds arrival
At a glance
Quick facts.
- Stack position
- Outbound Sending
Talk to us: Pick the tool. We run the system around it.
Postmark is one part of a stack. We build and run the revenue system it plugs into.
Talk to Phi